System of operating turntables by means of tractors



J line 23, 1925.

G. FORNACA I SYSTEM OF OPERATING TURNTABLES BY MEANS OF TRACTORS Filed July 18; 1924 v 30 without sudden jolts orshocks and'resulting 55 see the stoppaw'land inno casecan iappjly a,

' comprises Patented Jnne23g 1 925i L H cuinbipoamoagw" eamaria.

rp i 'a o l mix 1 To all w h o'm {it ma conogm Be it known; amt- 1;. GUmoFoRNAomasub- I ej i f the Ki gi h Itemide b 3 Vi Giannone, Turiinin the Kingd -1 f l z ya and whose post-oflice address is. 7, Via

ali' ei ine-Ita y l ar linr nt d rt-'1.

' tain new and usefullmprovementsintsys terns of Operating Tnrntableseby" Means ,of-

Tractors and j I dqhereby declare the fol i.

lowing oibee a ant-916a,, ai dv sxactdes rin tion of the "inventijon;v such as will enable others skilled in th'eart ,'.to which i appertains to make and use the same reference' being bad to the accompanying drawings,,

and to letters or figu'res'o'f reference marked thereon whlch form apart 'of th s spec1h cation. v e The present invention provides a systern' of operating turntables by altractor, and is characterized by the race that the tractor is brought to'a positioni where the wheels at one side only [are on the turntable after which the driving jWhGGl BI thatsid'e is "locked j against rotation; whereupon move- 2 1nentof the tractor iwhile it is connected L withtheturntable or with the vehicle thereon imparts a rotary movement tothe table;

- 1 The invention enables railwaylwagonsto be shunted with great rapidity and economy wear. Y, I After the tractor has hauled a wagon on to the turntable it is stopped at the side of the latter with the-wheels at theside nearest to the wagon On'the'tableandthe wheelson the other side oii thetable, and the driving wheel on, the table is "thereafter locked against rotation, so that when the'tract'or'is again started only the outside driving-wheel 4 rotates while the tractor remains always .in

position at the sidejo'fithe wagon-ready to l move the latterhfrom the table ,in'therequired direction.

During the rotary easily keep in view the stop pawl oifithe' turntable and can, therefore, apply 2 the tractor brakeszat an opportune moment'to .bri ng'the turntable to rest withoutsudden jar or shock; which is not possible when the "movement is effected by animal tractionfowr ing to the fact that the personattendingto 'the horse orfother animal: cannotreadily braking action to theturntable.

or other of said wheels.

u movement of turn- 1 table thetractor follows a curvedpath. as guided by'theA-driver and lthe latter 'can i "The .meansa A feature of the {invention consists in. :the.

means embodiedin the tractorwhereby. one, or other fof the driving wheels can vbe locked against rotation; ;;Inaccor dancewith th ;in

as'c'ontrolled by the driver -of the tractor:

e. V K vco ,venti'on tlnsganeans icomprises a removable 3 cross a dapt d q engage Qne'or lo hereof the driving wheelsaccording to itSPOSli'il Oll 'P ef mblyyt e Pe iphe y f. a hadr vine e W i i i-i me pr vide wi h 'te hi'andi- J the" cross. bar is mounted for axial move-g z merit through thefmedi um of a" lever Within reach of the driverand by which it'canbe moved to engage betweenthepteeth of. one

.The appended drawing, shows diagram-V" nia'tically an example of the system and of e the: aforesaid locking means 'on a Fiat tractor. j

F 1' is a perspective view of-the tractor arranged attfheside of the wagon and partly 'on thet'u'rnta'ble ready to turn the latter. Y

Fig-.2 is aplan view.

1 f3; is: a detail of (wheel locking means.

the control for the V 1 Referring to the drawing, 1 denotes the, l

:turntable, 2 the wagon,'and 3 the tractor.

3 :-Assumeth'at the tractorB has been cons5 rcliainiorf'the like, Fig.2, and has drawn it on to-the. turntable 1alongthe trackitgand that after rotary:mo'vement ofthe'turntable F I intheidirection of the arrow '2) the 2 I 1 v is; evident that when once the; tractor has been stopped inthe position shown in Fig. and immediately the wagon moving along Y itlle'f track t arrives on theturntable 1, it is i possible, after havingfl'ocked the driving ,lwheel 6 while leavingthedrivingflwheel 7 free; to produ'cethe requiredrotary mo'vel. m ent ofithe turntable byagainsettin'gthe Q f i, tractor in motionandfsuitably guiding'sa'meg in a oircularpath. Stidden i shocks in stopnect ed with the wagon 2, as byfmeans of a wagon is to, be drawn alongthe track 5.; It

requireda'rotary"movement can be avoided 'jby applying the tractor brakes and the wagon can-immediately. be drawn along the track- 5 simplyby releasing the driving wheel 6, thetractor being already at the side v, of the :wagon 'inits new'positiom. Reversal .of the tractor producesfmovement ofthe turntable in the opposite direction;

the tractor d *iving wheels against. rotation for locking one or; other-of;

os's'fbar, 8 mounted axially in" supports 9 'and adapted to engage between teeth 101 onthe periphery of each driVi-ng wheel (Fig. 1).

Axial displacement may suitably be effected by means of a lever 11 under the control of the driver of the tractor. V I

It is apparent that by i'iiovingtlre-elos's bar from-its neutral position axially in one direction it will ngage theteetl'i 10' on: the

tractor driving wheel '6' While leaving; the

driving Wheel 7 free and that by inovin'g it in the opposite direction from the xiefitr'al position it Will engage the teeth 10 o fthe driving wheel Twvl'iile' leaving-the d'rivii-i g whee} 6 free;

hat I c-l aimisk' I LA system of operating turntablesfor shunting railway \vagons, by means of a meter; in w vhich thetractor (after has of the crossbar 8- from the table in" the required direction.

ether or its dl iving wheels-can he leaked against rotation,- said means-comprising a crossbar movable hy' the driver of the-tractor to engage one other 0t said driving wheels.

r1 1 testin-iony that I claim the foregoing;

have si ned m'y nan-1e; 

